Dell E05B001 Manuale di riferimento - Pagina 17
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NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click Integrated Devices.
Integrated Devices details
About this task
The Integrated Devices screen details are explained as follows:
Option
Description
User Accessible
Configures the user accessible USB ports. Selecting All Ports Off disables all USB ports; selecting All
USB Ports
Ports Off (Dynamic) disables all USB ports during POST and front ports can be enabled or disabled
dynamically by authorized user without resetting the system.
The USB keyboard and mouse still function in certain USB ports during the boot process, depending on
the selection. After the boot process is complete, the USB ports will be enabled or disabled as per the
setting.
Internal USB Port Enables or disables the internal USB port. This option is set to On by default.
iDRAC Direct
The iDRAC Direct USB port is managed by iDRAC exclusively with no host visibility. This option is set to
USB Port
ON or OFF. When set to OFF, iDRAC does not detect any USB devices installed in this managed port.
This option is set to On by default.
Integrated RAID
Enables or disables the integrated RAID controllers. This option is set to Enabled by default.
Controller
I/OAT DMA
Enables or disables the I/O Acceleration Technology (I/OAT) option. I/OAT is a set of DMA features
Engine
designed to accelerate network traffic and lower CPU utilization. Enable only if the hardware and
software support the feature.
I/O Snoop
Enables you to select the number of cycles PCI I/O can withhold snoop requests from the CPU to allow
HoldOff
time to complete its own write to LLC. This setting can help improve performance on workloads where
Response
throughput and latency are critical.
Embedded Video
Enables or disables the use of Embedded Video Controller as the primary display. When set to Enabled,
Controller
the Embedded Video Controller will be the primary display even if add-in graphic cards are installed. When
set to Disabled, an add-in graphics card will be used as the primary display. BIOS will output displays
to both the primary add-in video and the embedded video during POST and pre-boot environment. The
embedded video will then be disabled right before the operating system boots. This option is set to
Enabled by default.
Current State of
Displays the current state of the embedded video controller. The Current State of Embedded Video
Embedded Video
Controller option is a read-only field. If the Embedded Video Controller is the only display capability in the
Controller
system (that is, no add-in graphics card is installed), then the Embedded Video Controller is automatically
used as the primary display even if the Embedded Video Controller setting is set to Disabled.
SR-IOV Global
Enables or disables the BIOS configuration of Single Root I/O Virtualization (SR-IOV) devices. This option
Enable
is set to Disabled by default.
Internal SD Card
Enables or disables the Internal SD Card Port of the Internal Dual SD Module (IDSDM). This option is set
Port
to On by default.
Internal SD Card
Configures the redundancy mode of the Internal Dual SD Module (IDSDM). When set to Mirror Mode,
Redundancy
data is written on both SD cards. After failure of either card and replacement of the failed card, the data
of the active card is copied to the offline card during the system boot.
When Internal SD Card Redundancy is set to Disabled, only the primary SD card is visible to the OS. This
option is set to Disabled by default.
NOTE:
When there are multiple add-in graphic cards installed in the system, the first card discovered
during PCI enumeration is selected as the primary video. You might have to re-arrange the cards in
the slots in order to control which card is the primary video.
BIOS and UEFI
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